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New Haven County, CT Duplexes for Sale

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262 properties
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Italianate Two-Family Duplex
Updated: Aug 24
Italianate Two-Family Duplex

215 Dwight Street, New Haven, CT 06511

$825,000
4,862 sqft 0.09 AC lot
4,862‑square‑foot two‑family property on a 0.09‑acre lot
Upper residence spans the 2nd and 3rd floors with 4 bedrooms
First‑floor unit includes renovated kitchen and bathroom improvements
Italianate details include decorative fireplaces, arched entryways, and a boxed‑bay window
Two off‑street parking spaces, with one assigned to each unit
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Renovated Duplex with Sound Views
Updated: Aug 21
Renovated Duplex with Sound Views

592 Pond Point Avenue, Milford, CT 06460

$849,900
2,906 sqft 0.33 AC lot
Two‑family duplex with side‑by‑side apartments and separate entrances
2,906 square feet on a 0.33‑acre lot
Built in 1750 and completely renovated
Views of Long Island Sound from a bluff above the treetops
Three fireplaces, high ceilings, and ornate woodwork
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Renovated Two-Unit Duplex
Renovated Two-Unit Duplex

36 Merwin Avenue, Milford, CT 06460

$699,000
1,400 sqft 0.07 AC lot

Fully renovated duplex with separate systems, central air, and water views.

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Remodeled Duplex with Finished Third Floor
Remodeled Duplex with Finished Third Floor

50 Anthony Street, New Haven, CT 06515

$629,900
4,000 sqft

Two-unit property with upgraded interiors, modernized systems, and flexible additional living space.

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Lakefront Duplex
Lakefront Duplex

94 Midwood Avenue, Wolcott, CT 06716

$1,360,000
3,556 sqft 0.70 AC lot

Two separate residences with central air and public sewer serving the property.

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Two-Family Duplex With Garage
Two-Family Duplex With Garage

109 Hartley Drive, Waterbury, CT 06705

$399,900
2,392 sqft 0.31 AC lot

Two-level income property with three bedrooms per residence, central air, decks, and public utilities.

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Two-Unit Duplex with Deck
Two-Unit Duplex with Deck

2 Westerman Avenue, Seymour, CT 06483

$530,000
1,800 sqft 0.16 AC lot

Two apartments include laundry setups, a porch, a deck, and off-street parking.

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Historic Two-Family with Parking
Historic Two-Family with Parking

215 Dwight Street, New Haven, CT 06511

$825,000
4,862 sqft

Corner property offers two residential units, private outdoor space, and convenient access to downtown amenities.

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Two-Unit Duplex with Private Balcony
Two-Unit Duplex with Private Balcony

16 King Place, New Haven, CT 06519

$539,000
1,899 sqft 0.12 AC lot

RM2-zoned duplex with a tenant-occupied second-floor unit, private yard, and separate owner and rental living spaces.

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Renovated Two-Unit Duplex
Renovated Two-Unit Duplex

33 Holbrook Street, Ansonia, CT 06401

$610,000
2,385 sqft 0.07 AC lot

Two residences feature independent utilities, private outdoor areas, updated kitchens, and in-unit washer/dryer hookups.

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Two-Family Duplex with Wraparound Porch
Two-Family Duplex with Wraparound Porch

23 Oregon Avenue, East Haven, CT 06512

$595,000
3,353 sqft 0.32 AC lot

Duplex on a .32-acre lot with a renovated kitchen, expansive deck, and a peaceful double-waterfall koi pond.

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Two-Unit Duplex with Four-Car Garage
Two-Unit Duplex with Four-Car Garage

30 Summer Street, Meriden, CT 06451

$349,900
2,760 sqft 0.16 AC lot

Two residences feature separate utilities and multi-level living areas.

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Two-Unit Residential Income Property
Two-Unit Residential Income Property

49 Meadow Street, East Haven, CT 06512

$649,900
896 sqft 0.38 AC lot

Mixed single-family and 2-family configuration sold as-is, with extensive rehab needs and a cash sale required.

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Renovated Water-View Duplex
Renovated Water-View Duplex

36 Merwin Avenue, Milford, CT 06460

$699,000
1,400 sqft

Two separately serviced residences offer updated interiors, private laundry, central air, and off-street parking near beach access.

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Leased Corner-Lot Duplex
Leased Corner-Lot Duplex

40 N Beacon Street, Waterbury, CT 06704

$1,449,000
1,689 sqft 0.09 AC lot

Two apartments provide a three-bedroom first-floor layout and a one-bedroom upper-level residence.

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Updated Duplex with Attic Space
Updated Duplex with Attic Space

11 Cossett Street, Waterbury, CT 06704

$375,000
1,804 sqft 0.07 AC lot

Two-family property with refreshed first-floor living space and flexible attic area connected to the upper unit.

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Renovated Two-Family Colonial
Renovated Two-Family Colonial

592 Pond Point Ave, Milford, CT 06460

$849,900
2,906 sqft

Side-by-side apartments offer separate entrances and flexible living arrangements.

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Duplex with On-Site Parking
Duplex with On-Site Parking

433 Third Avenue, West Haven, CT 06516

$459,900
1,722 sqft 0.13 AC lot

R3-zoned residential property with finished basement, central air, and separate living spaces on two levels.

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Side-by-Side Ranch Duplex with Garages
Side-by-Side Ranch Duplex with Garages

40 Mills Avenue, Milford, CT 06460

$595,000
1,622 sqft

Well-maintained side-by-side ranch duplex with two attached one-car garages, central air, gas heat, and a finished lower level.

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Commercially Zoned Duplex
Commercially Zoned Duplex

310 N Colony Street, Wallingford, CT 06492

$449,900
1,508 sqft 0.33 AC lot

Two residential units with separate floor layouts, off-street parking, and public utilities.

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Two-Family Duplex with Three Ponds
Two-Family Duplex with Three Ponds

1253 Marion Rd, Cheshire, CT 06410

$590,000
3,401 sqft

Legal two-family property with a separate one-bedroom apartment and private entrance.

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Two-Unit Property with Garage
Two-Unit Property with Garage

26 Summit Street, Meriden, CT 06450

$309,000
2,145 sqft 0.17 AC lot

R-2-zoned residential property with two units, a detached garage, carport, and shared driveway.

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Two-Unit Home with Barn Garage
Two-Unit Home with Barn Garage

380 Orange Avenue, Milford, CT 06461

$975,000
3,360 sqft

Updated two-unit residence offers separate decks, in-unit laundry, and a separate barn with a one-car garage.

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Renovated Two-Unit Duplex
Renovated Two-Unit Duplex

33 Congress Avenue, Waterbury, CT 06708

$389,000
1,824 sqft 0.08 AC lot

Two residential units offer updated interiors, separate utilities, and public water and sewer service.

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New Haven County, CT Duplexes Market Trends and Statistics

Explore 262 duplexes for sale in New Haven County, CT, showcased through 262 active listings on our real estate platform. These investment opportunities span a total of 515,964 square feet of properties for sale, with an estimated market value of $106,861,888.

Sale prices for duplexes in New Haven County, CT start at $199,000, averaging $468,692, and reaching up to $1,449,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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